What is the Greatest Common Factor of 51505 and 51520?

Greatest common factor (GCF) of 51505 and 51520 is 5.

GCF(51505,51520) = 5

We will now calculate the prime factors of 51505 and 51520, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51505 and 51520.

How to find the GCF of 51505 and 51520?

We will first find the prime factorization of 51505 and 51520. After we will calculate the factors of 51505 and 51520 and find the biggest common factor number .

Step-1: Prime Factorization of 51505

Prime factors of 51505 are 5, 10301. Prime factorization of 51505 in exponential form is:

51505 = 5¹ × 10301¹

Step-2: Prime Factorization of 51520

Prime factors of 51520 are 2, 5, 7, 23. Prime factorization of 51520 in exponential form is:

51520 = 2⁶ × 5¹ × 7¹ × 23¹

Step-3: Factors of 51505

List of positive integer factors of 51505 that divides 51505 without a remainder.

1, 5, 10301

Step-4: Factors of 51520

List of positive integer factors of 51520 that divides 51505 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2576, 3220, 3680, 5152, 6440, 7360, 10304, 12880, 25760

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51505 and 51520. The biggest common factor number is the GCF number.
So the greatest common factor 51505 and 51520 is 5.

Also check out the Least Common Multiple of 51505 and 51520